DAST-20-1MC81

DAST20 MSYSTEM | Alldatasheet

Document overview

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Technical content

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 1/22 http://www.m-system.co.jp/ Telemetering System TELEMETERING SYSTEM Functions & Features

• Small-scale telemetering system
• Lightning arrester protecting telephone circuit standard
• Approved of Technical Requirements Compliance Approval by Japan Approvals Institute for Telecommunications Equipment
• Isolation between telephone circuit, I/O and power
• Easy-to-handle plugin construction for each component: Communication Module, Modem Module, Lightning Arrester
• Self-diagnosis
• Monitor LED provided for contact I/O modules 180 (7.09) 160 (6.30) mm (inch) MODEL: DAST-20-[1][2]-K

ORDERING INFORMATION

• Code number: DAST-20–[1][2]–K Specify a code from below for each of [1] and [2]. (e.g. DAST-20-1MC81-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps [2] I/O SECTION Master Station MC81: Contact outputs, 4 open collector outputs ME5: Contact I/O, 4 dry contact inputs 4 open collector outputs MM4; Analog outputs, 4 voltage outputs MR3: Analog I/O, 4 voltage inputs 4 voltage outputs MS6; Contact & analog outputs 4 open collector outputs 4 voltage outputs MS8; Contact inputs & analog outputs 4 dry contact inputs 4 voltage outputs MU4: Analog & pulse outputs 4 voltage outputs 4 pulse outputs (open collector) MS4: Contact, analog & pulse outputs 2 open collector outputs 4 voltage outputs 2 pulse outputs (open collector) Local Station SA41: Contact inputs, 4 dry contact inputs SE5: Contact I/O, 4 dry contact inputs 4 open collector outputs SG4: Analog inputs, 4 voltage inputs SR3: Analog I/O, 4 voltage inputs 4 voltage outputs SS5: Contact & analog inputs 4 dry contact inputs 4 voltage inputs SS7: Contact outputs & analog inputs 4 open collector outputs 4 voltage inputs SP4: Analog & pulse inputs 4 voltage inputs 4 dry contact pulse inputs SS3: Contact, analog & pulse inputs 2 dry contact inputs 4 voltage outputs 2 dry contact pulse inputs POWER INPUT AC Power K: 85 – 132 V AC (Operational voltage range 85 – 132 V, 47 – 66 Hz) APPLICATION TO NTT Application form is available at local NTT sales offices. “Guide for Application for Dedicated Circuit Lease” is provided for free for detailed explanation. COMMON SPECIFICATIONS Construction: lightning arrester, modem and I/O modules mounted on a chassis for surface mounting Connection
• Telephone circuit: M4 screw terminals (torque 0.8 N·m)
• Power & I/O: M3.5 screw terminals (torque 0.8 N·m)
• RUN contact output: Euro type connector terminal (Applicable wire size: ≤ 1.25 mm2, stripped length 8 mm)
• Grounding: M4 screw terminal (torque 0.8 N·m) Screw terminal
• Telephone circuit & grounding: Nickel-plated steel
• Power & I/O: Chromated steel

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 2/22 http://www.m-system.co.jp/ Material Chassis: black chromate-plated steel Housing: flame-resistant resin (black) Isolation: telephone circuit to I/O to power Self-diagnosis CPU: watch-dog timer Memory: sum check Power voltage: detects when the voltage supply to the CPU drops by 10 %. ■ RUN CONTACT OUTPUT RUN contact output: contact opens when the self-diagnosis detects an abnormality or with a transmission error. Rating: 120V AC or 30V DC @1A (resistive load) MODEM & LIGHTNING ARRESTER ■ 50 BPS TYPE

• Modem (model: MOD1-K) Telephone circuit: NTT leased circuit, 50 bps Sending voltage: ±50 V max. Sending current: ±20 mA ±3 mA Transmission method: earth-return Transmission rate: 50 bps No. of circuits: 1 Approval No.: L02-0066
• Lightning Arrester (model: MDP-MFA) Discharge voltage Between B – C: ±110 V min. Between B or C – A: ±55 V min. Between each line – G: ±500 V max. Maximum surge voltage Between 2 – 3: ±320 V max. Between 2 or 3 – 1: ±160 V max. Between each line – G: ±650 V max. Response time: ≤0.1 μsec. Discharge current capacity: 5000 A (8 / 20 msec.) Maximum load current: 100 mA Internal series resistance: approx. 20 Ω including return Leakage current Between B – C: ≤50 mA at ±110 V DC Between B or C – A: ≤50 mA at ±55 V DC Between each line – G: ≤10 mA at ±140 V DC ■ 300 BPS TYPE
• Modem (model: MOD2-K) Telephone circuit: NTT leased circuit, 3.4 kHz Sending level: -7 to -15 dBm Receiving level: -40 dBm Transmission rate: 300 bps (half-duplex) Modulation: conform to ITU-T V.21 No. of circuits: 1 Approval No.: D01-0730JP
• Lightning Arrester (model: MDP-FT) Discharge voltage Between lines: ±1.2 V min. Line to ground: ±500 V max. Maximum surge voltage Between lines: ±15 V max. Line to ground: ±650 V max. Response time: ≤0.1 μsec. Discharge current capacity: 5000 A (8 / 20 msec.) Maximum load current: 100mA Internal series resistance: approx. 8 Ω including return Leakage current Between lines: ≤20 mA at ±1.2 V Line to ground: ≤10 mA at ±140 V Maximum line voltage: 1.2 V INSTALLATION Power consumption
• AC: Approx. 5 VA max. Grounding: ≤100 Ω required for 50 bps type Operating temperature: -5 to + 50°C (23 to 122°F) Operating humidity: 30 to 90 %RH (non-condensing) Atmosphere: No corrosive gas or heavy dust Mounting: Surface Weight: 1.5 kg (3.3 lb) PERFORMANCE Permissible power failure duration: ≤ 20 ms Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 1500 V AC @1 minute (telephone circuit to I/O to power)

1500 V AC @1 minute (circuit to ground)

■ Simple Transmission Time The simple transmission time means the time between the start of data sending from the master station and the end of data sending from the local station. It means 1 cycle of data transmission between the master station and the local station. It does not mean the time required for an input signal to be output. ■ How to Calculate the Simple Transmission Time

• Transmission Rate 50 bps Simple Transmission Time (sec.) = (No. of data bytes from master station + No. of data bytes from local station) × 0.22 + 0.5 × 2
• Transmission Rate 300 bps Simple Transmission Time (sec.) = (No. of data bytes from master station + No. of data bytes from local station) × 0.037 + 0.2 × 2 ■ Effective Transmission Time The effective transmission time means the time required for a change of an input signal to affect its output signal. It

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 3/22 http://www.m-system.co.jp/ varies between the minimum and maximum values, depending upon the timing of input change. Minimum Time = Simple Transmission Time Maximum Time = Simple Transmission Time × 2 MOUNTING REQUIREMENTS unit: mm (inch) 4–M4 SCREW 100 (3.94) 140 (5.51) FRONT PANEL CONFIGURATION & TERMINAL ASSIGNMENT No. DESCRIPTION EXPLANATION

1 RUN LED Red LED ON at normal status;

OFF at anomaly detected by selfdiagnosis; blinks when there is anomaly in telephone circuit.

2 Contact I/O

Red LED ON with contact ON; provided only for contact I/O types

3 RUN Contact

Relay opens when an anomaly is detected.

4 Power Indicator

Red LED ON at normal status; OFF when the voltage level drops.

5 Circuit Test SW Normally OFF;

turned ON when testing only.

6 Circuit Status

Red LED; SD blinks during sending; RD blinks during receiving. 7 Power Terminals Refer to the Terminal Connection.

8 SG, RD, SD

Connected with the lightning arrester. (factory connected)

9 Circuit Test

(T1 – T2, T3 – T4) Normally shorted with a jumper. Circuit connection is broken when it is removed (opened).

10 Circuit Connection

Refer to the Terminal Connection. 11 Grounding Terminal Refer to the Terminal Connection. I/O ModuleModemLightning Arrester 3456 218 B AC 2 1 ON OFF SG RD SD FG U LINE POWER V RD SD 12 5614 11 110 15 987 5 6 ■ 50 bps TYPE (Transmission Rate Code: 1)

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 4/22 http://www.m-system.co.jp/ No. DESCRIPTION EXPLANATION OFF at anomaly detected by selfdiagnosis; blinks when there is anomaly in telephone circuit. Red LED ON with contact ON; provided only for contact I/O types Relay opens when an anomaly is detected. Red LED ON at normal status; OFF when the voltage level drops.

5 Master/Local SW Designating the Master and Local Stations

(factory set) Red LED; turn ON according to the status of telephone circuit 7 Power Terminals Refer to the Terminal Connection.

8 Modem Circuit

Connected with the lightning arrester. (factory connected)

9 Circuit Connection

Refer to the Terminal Connection. 10 Grounding Terminal Refer to the Terminal Connection.

11 Modem Circuit

Not used. I/O ModuleModemLightning Arrester 3456 218 RD SD FG U LINE POWER V 12 5614 11 110 15 S S P P 11 87 6 5 ■ 300 bps TYPE (Transmission Rate Code: 2) CONNECTION DIAGRAM FG RD SD U V POWER RUN CONTACT TELEPHONE CIRCUIT A B SG 7 RD 8 SD G 100 ohms max. LIGHTNING ARRESTER MODEM I/O MODULE Refer to later pages for connection of each I/O type. ■ 50 bps TYPE (Transmission Rate Code: 1) U V POWER RUN CONTACT TELEPHONE CIRCUIT PS P LINE 1 LINE 2 S LIGHTNING ARRESTER MODEM I/O MODULE Refer to later pages for connection of each I/O type. ■ 300 bps TYPE (Transmission Rate Code: 2) Remark 1 : Broken line connections are already done at factory. Do not remove those cables already wired when wiring to power supply (Terminals 7 – 8 of the Modem) and ground terminals (G). Remark 2 : Be sure to ground (100 ohms or less) for 50 bps type which emploies the earth-return method.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 5/22 http://www.m-system.co.jp/ EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 100 (3.94) 140 (5.51) 160 (6.30) PIN TERMINAL PHOENIX AI1.5-8BK RECOMMENDED MULTI-STRAND CABLE: 1.25 mm2 SOLID CABLE 1.4 dia. SCREWDRIVER (–) Remove cover. 8 mm

• Wiring Procedure of DIN Terminals Shape of the lightning arrester changes according to model No. 6 (.24) 10 (.39) SYSTEM DESCRIPTIONS Power Source DAST-20 Master Station Lightning Arrester for Power Supply (model: MA-100) Power Source DAST-20 Local Station Lightning Arrester for Power Supply (model: MA-100) Leased Telephone Circuit

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 6/22 http://www.m-system.co.jp/ MASTER,CONTACT OUTPUT MODEL: DAST–20–[1]MC81-K

• Code number: DAST-20–[1]MC81–K Specify a code from below for [1]. (e.g. DAST-20-1MC81-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC OUTPUT SPECIFICATIONS ■ OPEN COLLECTOR OUTPUT Capacity: 4 points Commons: per 4 points Rating: 30 V DC @100 mA PERFORMANCE Number of data bytes: 10 OUTPUT TERMINAL CONNECTION Base Socket COM. (–) Do 4 Do 3 Do 2 Do 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 7/22 http://www.m-system.co.jp/ LOCAL, CONTACT INPUT MODEL: DAST–20–[1]SA41-K

• Code number: DAST-20–[1]SA41–K Specify a code from below for [1]. (e.g. DAST-20-1SA41-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ DRY CONTACT INPUT Capacity: 4 points Commons: per 4 points Contact detecting voltage: 5 V DC ON current/resistance: ≥ 1 mA / ≤ 200 Ω OFF current/resistance: ≤ 50 μA / ≥ 100 kΩ PERFORMANCE Number of data bytes: 14 INPUT TERMINAL CONNECTION Base Socket COM. (–) Di 4 Di 3 Di 2 Di 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 8/22 http://www.m-system.co.jp/ MASTER,CONTACT I/O MODEL: DAST–20–[1]ME5-K

• Code number: DAST-20–[1]ME5–K Specify a code from below for [1]. (e.g. DAST-20-1ME5-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ DRY CONTACT INPUT Capacity: 4 points Commons: per 4 points Contact detecting voltage: 5 V DC ON current/resistance: ≥ 1 mA / ≤ 200 Ω OFF current/resistance: ≤ 50 μA / ≥ 100 kΩ OUTPUT SPECIFICATIONS ■ OPEN COLLECTOR OUTPUT Capacity: 4 points Commons: per 4 points Rating: 30 V DC @100 mA PERFORMANCE Number of data bytes: 14 I/O TERMINAL CONNECTION Base Socket COM. (–) Di 4 Di 3 Di 2 Di 1 Italic numbers indicate LED No. on the front panel. COM. (–) Do 4 Do 3 Do 2 Do 1

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 9/22 http://www.m-system.co.jp/ LOCAL, CONTACT I/O MODEL: DAST–20–[1]SE5-K

• Code number: DAST-20–[1]SE5–K Specify a code from below for [1]. (e.g. DAST-20-1SE5-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ DRY CONTACT INPUT Capacity: 4 points Commons: per 4 points Contact detecting voltage: 5 V DC ON current/resistance: ≥ 1 mA / ≤ 200 Ω OFF current/resistance: ≤ 50 μA / ≥ 100 kΩ OUTPUT SPECIFICATIONS ■ OPEN COLLECTOR OUTPUT Capacity: 4 points Commons: per 4 points Rating: 30 V DC @100 mA PERFORMANCE Number of data bytes: 14 I/O TERMINAL CONNECTION Base Socket COM. (–) Di 4 Di 3 Di 2 Di 1 Italic numbers indicate LED No. on the front panel. COM. (–) Do 4 Do 3 Do 2 Do 1

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 10/22 http://www.m-system.co.jp/ MASTER, ANALOG OUTPUTS MODEL: DAST–20–[1]MM4-K

• Code number: DAST-20–[1]MM4–K Specify a code from below for [1]. (e.g. DAST-20-1MM4-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC OUTPUT SPECIFICATIONS ■ VOLTAGE OUTPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Load resistance: 10 kΩ min. PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 10 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) OUTPUT TERMINAL CONNECTION Base Socket COM. (–) Ao 4 Ao 3 Ao 2 Ao 1

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 11/22 http://www.m-system.co.jp/ LOCAL, ANALOG INPUTS MODEL: DAST–20–[1]SG4-K

• Code number: DAST-20–[1]SG4–K Specify a code from below for [1]. (e.g. DAST-20-1SG4-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ VOLTAGE INPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Input resistance: 1 MΩ min. (500 kΩ min.) PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 28 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) INPUT TERMINAL CONNECTION Base Socket COM. (–) Ai 4 Ai 3 Ai 2 Ai 1

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 12/22 http://www.m-system.co.jp/ MASTER, ANALOG I/O MODEL: DAST–20–[1]MR3-K

• Code number: DAST-20–[1]MR3–K Specify a code from below for [1]. (e.g. DAST-20-1MR3-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ VOLTAGE INPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Input resistance: 1 MΩ min. (500 kΩ min.) OUTPUT SPECIFICATIONS ■ VOLTAGE OUTPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Load resistance: 10 kΩ min. PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 28 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) I/O TERMINAL CONNECTION Base Socket COM. (–) Ai 4 Ai 3 Ai 2 Ai 1 COM. (–) Ao 4 Ao 3 Ao 2 Ao 1

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 13/22 http://www.m-system.co.jp/ LOCAL, ANALOG I/O MODEL: DAST–20–[1]SR3-K

• Code number: DAST-20–[1]SR3–K Specify a code from below for [1]. (e.g. DAST-20-1SR3-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ VOLTAGE INPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Input resistance: 1 MΩ min. (500 kΩ min.) OUTPUT SPECIFICATIONS ■ VOLTAGE OUTPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Load resistance: 10 kΩ min. PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 28 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) I/O TERMINAL CONNECTION Base Socket COM. (–) Ai 4 Ai 3 Ai 2 Ai 1 COM. (–) Ao 4 Ao 3 Ao 2 Ao 1

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 14/22 http://www.m-system.co.jp/ MASTER, CONTACT & ANALOG OUTPUTS MODEL: DAST–20–[1]MS6-K

• Code number: DAST-20–[1]MS6–K Specify a code from below for [1]. (e.g. DAST-20-1MS6-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC OUTPUT SPECIFICATIONS ■ VOLTAGE OUTPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Load resistance: 10 kΩ min. ■ OPEN COLLECTOR OUTPUT Capacity: 4 points Commons: per 4 points Rating: 30 V DC @100 mA PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 10 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) OUTPUT TERMINAL CONNECTION Base Socket COM. (–) Ao 4 Ao 3 Ao 2 Ao 1 COM. (–) Do 4 Do 3 Do 2 Do 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 15/22 http://www.m-system.co.jp/ LOCAL, CONTACT & ANALOG INPUTS MODEL: DAST–20–[1]SS5-K

• Code number: DAST-20–[1]SS5–K Specify a code from below for [1]. (e.g. DAST-20-1SS5-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ VOLTAGE INPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Input resistance: 1 MΩ min. (500 kΩ min.) ■ DRY CONTACT INPUT Capacity: 4 points Commons: per 4 points Contact detecting voltage: 5 V DC ON current/resistance: ≥ 1 mA / ≤ 200 Ω OFF current/resistance: ≤ 50 μA / ≥ 100 kΩ PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 30 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) INPUT TERMINAL CONNECTION Base Socket COM. (–) Ai 4 Ai 3 Ai 2 Ai 1 COM. (–) Di 4 Di 3 Di 2 Di 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 16/22 http://www.m-system.co.jp/ MASTER, CONTACT INPUTS & ANALOG OUTPUTS MODEL: DAST–20–[1]MS8-K

• Code number: DAST-20–[1]MS8–K Specify a code from below for [1]. (e.g. DAST-20-1MS8-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ DRY CONTACT INPUT Capacity: 4 points Commons: per 4 points Contact detecting voltage: 5 V DC ON current/resistance: ≥ 1 mA / ≤ 200 Ω OFF current/resistance: ≤ 50 μA / ≥ 100 kΩ OUTPUT SPECIFICATIONS ■ VOLTAGE OUTPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Load resistance: 10 kΩ min. PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 14 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) OUTPUT TERMINAL CONNECTION Base Socket COM. (–) Ao 4 Ao 3 Ao 2 Ao 1 COM. (–) Di 4 Di 3 Di 2 Di 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 17/22 http://www.m-system.co.jp/ LOCAL, CONTACT OUTPUTS & ANALOG INPUTS MODEL: DAST–20–[1]SS7-K

• Code number: DAST-20–[1]SS7–K Specify a code from below for [1]. (e.g. DAST-20-1SS7-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ VOLTAGE INPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Input resistance: 1 MΩ min. (500 kΩ min.) OUTPUT SPECIFICATIONS ■ OPEN COLLECTOR OUTPUT Capacity: 4 points Commons: per 4 points Rating: 30 V DC @100 mA PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 28 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) INPUT TERMINAL CONNECTION Base Socket COM. (–) Ai 4 Ai 3 Ai 2 Ai 1 COM. (–) Do 4 Do 3 Do 2 Do 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 18/22 http://www.m-system.co.jp/ MASTER, ANALOG & PULSE OUTPUTS MODEL: DAST–20–[1]MU4-K

• Code number: DAST-20–[1]MU4–K Specify a code from below for [1]. (e.g. DAST-20-1MU4-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC OUTPUT SPECIFICATIONS ■ VOLTAGE OUTPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Load resistance: 10 kΩ min. ■ PULSE OUTPUT (open collector) Capacity: 4 points Commons: per 4 points Rating: 30 V DC @100 mA Frequency: 10 Hz max. PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 10 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) OUTPUT TERMINAL CONNECTION Base Socket COM. (–) Ao 4 Ao 3 Ao 2 Ao 1 COM. (–) Po 4 Po 3 Po 2 Po 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 19/22 http://www.m-system.co.jp/ LOCAL, ANALOG & PULSE INPUTS MODEL: DAST–20–[1]SP4-K

• Code number: DAST-20–[1]SP4–K Specify a code from below for [1]. (e.g. DAST-20-1SP4-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ VOLTAGE INPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Input resistance: 1 MΩ min. (500 kΩ min.) ■ PULSE INPUT Capacity: 4 points Commons: per 4 points Contact detecting voltage: 5 V DC ON current/resistance: ≥ 1 mA / ≤ 200 Ω OFF current/resistance: ≤ 50 μA / ≥ 100 kΩ Frequency: 10 Hz max. Pulse width time requirement: ≥ 45 msec. for ON and OFF PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 44 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) INPUT TERMINAL CONNECTION Base Socket COM. (–) Ai 4 Ai 3 Ai 2 Ai 1 COM. (–) Pi 4 Pi 3 Pi 2 Pi 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 20/22 http://www.m-system.co.jp/ MASTER, CONTACT, ANALOG & PULSE OUTPUTS MODEL: DAST–20–[1]MS4-K

• Code number: DAST-20–[1]MS4–K Specify a code from below for [1]. (e.g. DAST-20-1MS4-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC OUTPUT SPECIFICATIONS ■ VOLTAGE OUTPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Load resistance: 10 kΩ min. ■ OPEN COLLECTOR & PULSE OUTPUT Capacity: 2 points each Commons: per 4 points Rating: 30 V DC @100 mA Pulse output frequency: 10 Hz max. PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 28 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) OUTPUT TERMINAL CONNECTION Base Socket COM. (–) Ao 4 Ao 3 Ao 2 Ao 1 COM. (–) Do 4 Do 3 Po 2 Po 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 21/22 http://www.m-system.co.jp/ LOCAL, CONTACT, ANALOG & PULSE INPUTS MODEL: DAST–20–[1]SS3-K

• Code number: DAST-20–[1]SS3–K Specify a code from below for [1]. (e.g. DAST-20-1SS3-K) [1] TRANSMISSION RATE 1: 50 bps 2: 300 bps POWER INPUT AC Power K: 85 – 132 V AC INPUT SPECIFICATIONS ■ VOLTAGE INPUT Capacity: 4 points Commons: per 4 points Range: 1 – 5 V DC (operational range 0.5 – 5.5 V) Input resistance: 1 MΩ min. (500 kΩ min.) ■ DRY CONTACT & PULSE INPUT Capacity: 2 points each Commons: per 4 points Contact detecting voltage: 5 V DC ON current/resistance: ≥ 1 mA / ≤ 200 Ω OFF current/resistance: ≤ 50 μA / ≥ 100 kΩ Pulse output frequency: 10 Hz max., pulse width time requirement 45 msec. min. for ON and OFF PERFORMANCE Accuracy: ±0.2 % Number of data bytes: 38 Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) INPUT TERMINAL CONNECTION Base Socket COM. (–) Ai 4 Ai 3 Ai 2 Ai 1 COM. (–) Di 4 Di 3 Pi 2 Pi 1 Italic numbers indicate LED No. on the front panel.

MODEL: DAST-20 DAST-20 SPECIFICATIONS ES-5921 Rev.8 Page 22/22 http://www.m-system.co.jp/ Specifications are subject to change without notice.