9
Relay I/O Block Base G70A
Reduces Wiring while Providing I/O
Flexibility
1Standard Relays and SSRs can be
mounted together in the same base
1Terminal block incorporates finger-touch
protection from electric shock,
conforming to VDE 0106
1Connects to PLCs and SBCs easily with
a connector
1Mounts on DIN rail track
1SPDT (Form C) switching provided
when G2R output relays are installed
1G70A I/O Blocks are UL, CSA, IEC,
VDE, SEV, SEMKO, DEMKO, and SET1
approved when filled with G2R relays
and G3R SSRs
èò
Ordering Information
3RELAY TERMINAL BLOCK BASE
Relays not included. Order below.
Classification Internal I/O circuit common Rated voltage Part number
Output NPN (+ common) 24 VDC G70A-ZOC16-3 DC24V
PNP (-- common) 24 VDC G70A-ZOC16-4 DC24V
Input NPN/PNP (to the relay) 110 VDC max., 240 VAC max.
(See Note) G70A-ZIM16-5 DC24V
Note: Each relay to be mounted must incorporate a coil that has proper specifications within the maximum rated voltage range.
3PCB/SSR RELAYS FOR USE WITH G70A
Classification I/O Block Base PCB Relay Solid State Relay
Output NPN: G70A-ZOC16-3 DC24V
PNP: G70A-ZOC16-4 DC24V G2R-1-SND DC24
G2R-1-SND DC12 G3R-OA202SZN DC5-24
G3R-ODX02SN DC5-24
G3R-OD201SN DC5-24
Input G70A-ZIM16-5 DC24V G2R-1A3-SND DC24V
G2R-13-SND DC24V G3R-IAZR1SN AC100-240
G3R-IDZR1SN DC12-24
G3R-IDZR1SN DC5
Note: G2R-13-SN has twin cross-bar contacts.
3CONNECTING SOCKETS FOR SINGLE POINT RELAY CONNECTION
Number of poles Part number
1 pole (G2R input relays are SPST-NO) P2RF-05-E
2 poles (G2R output relays are SPDT) P2RF-08-E
G70A G70A
2
3GENERAL-PURPOSE CABLES
The following cables can be connected to I/O boards and PLC modules from any manufacturer.
Item Length Part number
Connecting cable with 1 m (3.28 ft) G79-Y100C
C
o
n
n
e
c
t
i
n
g
c
a
b
l
e
w
i
t
h
crimp hook
t
e
r
m
i
n
a
l
s
1.5 m (4.92 ft) G79-Y150C
terminals 2 m (6.56 ft) G79-Y200C
3 m (9.84 ft) G79-Y300C
5 m (16.40 ft) G79-Y500C
Connecting cable with
loose wires 2 m (6.56 ft) G79-A200C
5 m (16.40 ft) G79-A500C
3DEDICATED CONNECTING CABLES FOR OMRON PLC MODULES
The following cables are designed to connect directly to Omron PLC modules and have dedicated connectors for specific models.
Item Length Part number
Connecting cable with 1 m (3.28 ft) G79-100C
C
o
n
n
e
c
t
i
n
g
c
a
b
l
e
w
i
t
h
one connector
f
o
r
h
i
g
h
-
d
e
n
s
i
t
y
1.5 m (4.92 ft) G79-150C
for high-density
I/O modules 2 m (6.56 ft) G79-200C
I
/
O
m
o
d
u
l
e
s
3 m (9.84 ft) G79-300C
5 m (16.40 ft) G79-500C
Connecting cable with
t
t
1 m (3.28 ft) + 0.75 m (2.46 ft) G79-I100C-75
g
two connectors
f
o
r
h
i
g
h
-
d
e
n
s
i
t
y
1.5 m (4.92 ft) + 1.25 m (4.10 ft) G79-I150C-125
f
or
h
i
g
h
-
d
ens
i
t
y
input modules 2 m (6.56 ft) + 1.75 m (5.74 ft) G79-I200C-175
i
n
u
t
m
o
d
u
l
e
s
3 m (9.84 ft) + 2.75 m (9.02 ft) G79-I300C-275
5 m (16.40 ft) + 4.75 m (15.58 ft) G79-I500C-475
Connecting cable with
t
t
1 m (3.28 ft) + 0.75 m (2.46 ft) G79-O100C-75
g
two connectors
f
o
r
h
i
g
h
-
d
e
n
s
i
t
y
1.5 m (4.92 ft) + 1.25 m (4.10 ft) G79-O150C-125
f
or
h
i
g
h
-
d
ens
i
t
y
output modules 2 m (6.56 ft) + 1.75 m (5.74 ft) G79-O200C-175
o
u
t
u
t
m
o
d
u
l
e
s
3 m (9.84 ft) + 2.75 m (9.02 ft) G79-O300C-275
5 m (16.40 ft) + 4.75 m (15.58 ft) G79-O500C-475
Connecting cable with
three connectors 1.5 m (4.92 ft) + 1.25 m (4.10 ft) + 1 m (3.28 ft) G79-150C-125-100
t
h
r
e
e
c
o
n
n
e
c
t
o
r
s
for CS1 high-
density I/O
m
o
d
u
l
e
s
2 m (6.56 ft) + 1.75 m (5.74 ft) + 1.5 m (4.92 ft) G79-200C-175-150
modules 3 m (9.84 ft) + 2.75 m (9.02 ft) + 2.5 m (8.20 ft) G79-300C-275-250
G70A G70A
3
Specifications
3RELAY BLOCK BASE
Item G70A-ZOC16-3 G70A-ZOC16-4 G70A-ZIM16-5
Contact resistance 10 mˆ(excluding the resistance of the relay to be used)
Permissible current 10 A 100 mA
Max. operating voltage 380 VAC, 125 VDC 30 VDC
Dielectric strength 4,000 VAC, 50/60 Hz for 1 min between connector and output terminals
2,000 VAC, 50/60 Hz for 1 min between output terminals
250 VAC, 50/60 Hz for 1 min between connectors
Insulation resistance 100 Mˆ(at 500 V)
Vibration resistance Malfunction: 10 to 61.2 Hz, 0.2-mm double amplitude; 61.2 to 150 Hz, 1.5G
Shock resistance Malfunction: 200 m/s2(approx. 20G)
Noise immunity Noise level: 2.0 kV; pulse width: 100 ns to 1 µs
Ambient temperature Operating: 0°Cto55
°C(32
°F to 131°F) with no icing
Ambient humidity Operating: 35% to 85%
Coil surge absorption element Diode: 1 A, 400 V Varistor (See Note)
Protection diode for inverse
connection Diode (2 A, withstand inverse voltage: 40 V)
Tightening torque 6kgf:cm (0.59 N :m)
Note: If coil surge protection on input is needed, use a DC relay with a built-in diode.
3PCB RELAYS G2R-1-S AND G2R-1-SN
Coil Ratings
Rated voltage 24 VDC
Rated current (50/60 Hz) 21.8 mA
Coil resistance 1,100 ˆ
Coil inductance Armature OFF 4.27
(H) (ref. value) Armature ON 8.55
Must operate voltage 70% min. of rated voltage
Must release voltage 15% min. of rated voltage
Max. voltage 110% of rated voltage
Power consumption Approx. 0.53 W
Contact Ratings
Number of poles 1 pole
Load Resistive load (p.f. = 1) Inductive load (p.f. = 0.4; L/R = 7 ms)
Rated load 10 A at 250 VAC; 10 A at 30 VDC 7.5 A at 250 VAC; 5 A at 30 VDC
Rated carry current 10 A
Max. operating voltage 380 VAC, 125 VDC
Max. operating current 10 A
Max. switching capacity 2,500 VA, 300 W 1,875 VA, 150 W
Min. permissible load 100 mA at 5 VDC
G70A G70A
4
3PCB RELAYS G2R-1A3-SND AND G2R-13-SN (SND)
Coil Ratings
Rated voltage 230 VAC 12 VDC 24 VDC
Rated current 50 Hz 3.7 mA 43.6 mA 21.8 mA
60 Hz 3.1 mA
Coil resistance 30,000 ˆ275 ˆ1,100 ˆ
Must operate voltage 80% max. of rated voltage 70% max. of rated voltage
Must release voltage 30% min. of rated voltage 15% min. of rated voltage
Max. voltage 110% of rated voltage
Power consumption Approx. 0.7 W (60 Hz) Approx. 0.53 W
Note: 1. The rated current and coil resistance are measured at a coil temperature of 23°C with a tolerance of +15%/--20% (AC rated cur-
rent) or .10% (DC coil resistance).
2. LEDs are used for the built-in operation indicator. For models equipped with these indications, the VAC rated current must be
increased by approximately 1 mA; the VDC rated current, by approximately 4 mA.
Contact Ratings
Refer to Ratings/Characteristics of G70A-ZIM16-5.
3SSR RELAYS
Ratings for G3R I/O Relays
Coil Ratings for Input Relay
Part number Rated voltage Operating
l
t
Input
t
Voltage level
p
g
voltage
p
current Must operate
voltage Must release
voltage
G3R-IAZR1SN AC100-240 100 to 240 VAC 60 to 264 VAC 15 mA max. 60 VAC max. 20 VAC min.
G3R-IDZR1SN DC5 5VDC 4to6VDC 8mAmax. 4VDCmax. 1VDCmin.
G3R-IDZR1SN DC12-24 12 to 24 VDC 6.6to32VDC 6.6 VDC max. 3.6 VDC min.
Contact Ratings for Input Relay
Part number Logic supply voltage Logic supply current
G3R-IAZR1SN 4to32VDC 0.1 to 100 mA
G3R-IDZR1SN
Contact Ratings For Output Relay
Part number Applicable load
Load voltage Load current Inrush current
G3R-OA202SZN DC5-24 75 to 264 VAC 0.05 to 2 A 30 A (60 Hz, 1 cycle)
G3R-OA202SLN DC24
G3R-ODX02N DC5-24 4to60VDC 0.01 to 2 A 8A(10ms)
G3R-OD201SN DC5-24 40 to 200 VDC 0.01 to 1.5 A 8A(10ms)
G70A G70A
5
Characteristics for G3R I/O Relay
Input Relay
Item G3R-IAZR1SN G3R-IDZR1SN G3R-IDZR1SN-1
Operate time 20 ms max. 0.1 ms max. 20 ms max.
Release time
Response frequency 10 Hz 1kHz 10 Hz
Output ON voltage drop 1.6 V max.
Leakage current 5µAmax.
Insulation resistance 100 Mˆmin. at 500 VDC
Dielectric strength 4,000 VAC, 50/60 Hz for 1 min
Vibration resistance 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance 1,000 m/s2(approx. 100G)
Ambient temperature Operating: --30°Cto80
°C(--22
°F to 176°F)
Storage: --30°C to 100°C(--22
°F to 212°F)
Ambient humidity Operating: 45% to 85%
Weight Approx. 18 g
Output Relay
Item G3R-OA202SZN G3R-OA202SLN G3R-ODX02SN G3R-OD201SN
Operate time 1/2 of load power supply cycle + 1 ms max. 1msmax.
Release time 2msmax.
Response frequency 20 Hz 100 Hz
Output ON voltage drop 1.6 V max. 2.5 V max.
Leakage current 1.5 mA max. 1mAmax.
Insulation resistance 100 Mˆmin. at 500 VDC
Dielectric strength 4,000 VAC, 50/60 Hz for 1 min
Vibration resistance 10 to 55 Hz, 1.5-mm double amplitude
Shock resistance 1,000 m/s2(approx. 100G)
Ambient temperature Operating: --30°Cto80
°C(--22
°F to 176°F)
Storage: --30°C to 100°C(--22
°F to 212°F)
Ambient humidity Operating: 45% to 85%
Weight Approx. 18 g
Dimensions
Unit: mm (inch)
3G70A
G70A-ZOC16 (Output)
234 (9.21)
75
(2.95) 35.5--8.2
20.7
34.2
48.7
(1.92)
9.2 19.6
28.6
M3.5
64 (2.52)
G70A G70A
6
Unit: mm (inch)
G70A-ZIM16 (Input)
10.2
9.2 19.6
M3.5
35.5--8.2
20.7
34.2
234 (9.21)
3P2RF
P2RF-05-E Mounting Holes
(for Surface Mounting)
Terminal Arrangement
(Top View)
3.2-dia.
hole
M3 or
3.5-dia.
hole
M3.5 screw
85.5 max.
(3.37) 3.5-dia.
hole
16.0 max.
(0.63)
59 max.
(2.32)
48 max.
39.5
35.5
11.5
Note: Pin numbers in parentheses apply to DIN standard.
61 max.
(2.40)
(11)
(12)
(14)
(A1)
(A2) 1
2
3
4
5
39.5.0.1
P2RF-08-E Terminal Arrangement
(Top View)
85.5
max.
21.5 M3 screw
3.5 dia. hole
5
63.0 max.
(2.48)
48.0 max. 2
3
39.5
35.5
11.5
Mounting Holes
(for Surface Mounting)
3.2-dia.
hole
M3 or
3.5-dia.
hole
39.5.0.1
8
1
63
72
54
(A1)
(A2)
(21)
(22)
(24)
(11)
(12)
(14)
16.0 max.
(0.63)
61.0 max.
(2.40)
G70A G70A
7
3COMBINATIONS OF G70A BLOCKS, PLC I/O MODULES AND G79 CABLES
CQM1 I/O Modules
I/O Module (points) G70A-ZIM16-5 G70A-ZOC16-3 G70A-ZOC16-4
CQM1-ID213 (32) G79-IPC-P--- ---
CQM1-OD213 (32) --- G79-OPC-P---
CQM1-ID212 (16) G79-YPC/G79-APC--- ---
CQM1-OD212 (16) --- G79-YPC/G79-APC---
CQM1-OD214 (16 PNP) --- --- G79-YPC/G79-APC
Note: Data in parentheses represents the number of total points, the number of connectors, or the number of I/O points per connector.
PNP or NPN description is required between the parentheses attached to Output Card model numbers.
CS1 and C200H I/O Modules
I/O Module (points) G70A-ZIM16-5 G70A-ZOC16-3 G70A-ZOC16-4
C200H-ID215 (32) G79-PC--- ---
C200H-MD215 (16/16) G79-PCG79-PC---
C200H-OD215 (32) --- G79-PC---
C200H-ID216 (32) G79-IPC-P--- ---
C200H-ID217 (64) G79-IPC-P--- ---
C200H-OD218 (32) --- G79-OPC-P---
C200H-OD219 (64) --- G79-OPC-P---
C200H-ID212 (16) G79-YPC/G79-APC--- ---
C200H-OD212 (16) --- G79-YPC/G79-APC---
C200H-OD214 (8 PNP) --- --- G79-YPC/G79-APC
C200H-OD217 (12 PNP) --- --- G79-YPC/G79-APC
CS1W-ID291 (96) G79-PC-P-P--- ---
CS1W-MD291 (48/48) G79-PC-P-PG79-PC-P-P---
CS1W-OD291 (96) --- G79-PC-P-P---
CS1W-MD292 (48/48 PNP) G79-PC-P-P--- G79-PC-P-P
CS1W-OD292 (96 PNP) --- --- G79-PC-P-P
CV/CVM1 I/O Modules
I/O Module (points) G70A-ZIM16-5 G70A-ZOC16-3 G70A-ZOC16-4
3G2A5-ID218 (32) G79-YPC/G79-APC--- ---
3G2A5-MD211CN (16/16) G79-PCG79-PC---
3G2A5-OD215 (16) --- G79-YPC/G79-APC---
3G2A5-ID218CN (32) G79-PC--- ---
3G2A5-OD218 (32) --- G79-YPC/G79-APC---
3G2A5-ID212 (64) G79-YPC/G79-APC--- ---
3G2A5-OD212 (32 PNP) --- --- G79-YPC/G79-APC
C500-OD219 (16) G79-IPC-P--- ---
3G2A5-OD213 (64) --- G79-OPC-P---
Accessories
3G79 CONNECTING CABLES FOR I/O RELAY BLOCKS
With loose wires and crimp terminals With loose wires With connector
Length (O) Model Length (O) Model Length (O) Model
1m
1.5 m
2m
3m
5m
G79-Y100C
G79-Y150C
G79-Y200C
G79-Y300C
G79-Y500C
2m
5m G79-A200C
G79-A500C 1m
1.5 m
2m
3m
5m
G79-100C
G79-150C
G79-200C
G79-300C
G79-500C
G70A G70A
8
G79-YPC Cable with Loose Wires and Crimp Terminals
Convenient for connecting screw terminals to I/O Terminal Blocks
Note: 1. Keep the line capacity to 50 mA per I/O or less. Also, check the
capacity of the relay drive element against the power consumption
of the I/O relay before output applications.
2. I/O Relay Block connector pin numbers are written on the loose
wires.
3. Connector pin numbers correspond to G70A pin numbers.
Connecting to
devices Connecting to
the G70A
Side A Side B
Connections
Tube no. Wire no. Color of insulator Dot mark Dot color Connector no.
Side A 20 1Light brown 3Black 1Side B
10
g
3Red 2
19 2Yellow 3Black 3
93Red 4
18 3Light green 3Black 5
8
g
g
3Red 6
17 4Gray 3Black 7
73Red 8
16 5White 3Black 9
63Red 10
15 6Light brown 33 Black 11
5
g
33 Red 12
14 7Yellow 33 Black 13
433 Red 14
13 8Light green 33 Black 15
3
g
g
33 Red 16
12 9Gray 33 Black 17
233 Red 18
11 10 White 33 Black 19
133 Red 20
G79-APC Cable with Loose Wires
Device connection end provides loose wires.
Note: 1. Loose wires are AWG24 (wire diameter: 0.6 mm).
2. Connector pin numbers correspond to G70A pin numbers.
Connecting to
peripheral devices Connecting to
the G70A
Side A Side B
G70A G70A
9
Connections
Tube no. Wire no. Color of insulator Dot mark Dot color Connector no.
Side A 1Light brown 3Black 20 Side B
g
3Red 19
2Yellow 3Black 18
3Red 17
3Light green 3Black 16
g
g
3Red 15
4Gray 3Black 14
3Red 13
5White 3Black 12
3Red 11
6Light brown 33 Black 10
g
33 Red 9
7Yellow 33 Black 8
33 Red 7
8Light green 33 Black 6
g
g
33 Red 5
9Gray 33 Black 4
33 Red 3
10 White 33 Black 2
33 Red 1
G79-PC Cable with Connector (1:1)
Convenient for 1:1 connection of PLC I/O modules to
I/O Relay Blocks.
Side A Side B
Connections
Note: Connector pin numbers correspond to G70A pin numbers.
12
11
10
9
8
7
6
5
4
3
2
120 19
18
16
14
12
10
8
6
4
2
17
15
13
11
9
7
5
3
1
12
11
10
9
8
7
6
5
4
3
2
1
PLC connector pin no.
AB
I/O Relay Block Base
connector pin no.
Triangle mark
G79 Cable with
connector (1:1)
G70A G70A
10
G79-OPC-P/-IPC-PCable with Connectors (1:2)
Input and Output Cables are available for Omron PLC modules. (Input: cables are identified with red tape; Output: cables are identified with
yellow tape.)
Straight-line distance
(no curves)
Side A Side B2
Side B1
Length For input For output
A B Model Model
1m
1.5 m
2m
3m
5m
0.75 m
1.25 m
1.75 m
2.75 m
4.75 m
G79-I100C-75
G79-I150C-125
G79-I200C-175
G79-I300C-275
G79-I500C-475
G79-O100C-75
G79-O150C-125
G79-O200C-175
G79-O300C-275
G79-O500C-475
Straight length
BA
C
Side BSide A
CN1
CN2
CN3
G79-PC-P-PCable with Connector (1:3)
Connection
to PLC high--
density I/O
module
Connection to
G7TC, P7TF,
G70A or G70D
Relay Blocks
Applicable Omron PLC
H
i
h
d
i
t
I
/
O
M
d
l
Connector Cable for Output Blocks
p
p
High-density I/O Modules Length (ç)Part number
Part number No. of output points A B C
CS1W-ID291
C
S
1
W
O
D
2
9
96 inputs
9
6
t
t
1,500 mm (4.92 ft) 1,250 mm (4.10 ft) 1,000 mm (3.28 ft) G79-150C-125-100
CS1W-OD29P
C
S
1
W
-
M
D
2
9
96 outputs
4
8
i
n
p
u
t
s
/
4
8
o
u
t
p
u
s
2,000 mm (6.56 ft) 1,750 mm (5.74 ft) 1,500 mm (4.92 ft) G79-200C-175-150
C
S
1
W
-
M
D
2
9
P
4
8
i
npu
t
s
/
4
8
ou
t
pu
s3,000 mm (9.84 ft) 2,750 mm (9.02 ft) 2,500 mm (8.20 ft) G79-300C-275-250
Note: For cable pin-outs, refer to the
G79 Data Sheet
in the Cables section of this catalog.
G70A G70A
11
Installation
3TERMINAL ARRANGEMENT/INTERNAL CONNECTION
G70A-ZOC16-3 (NPN)
Connector Terminal
Arrangement
(Top View)
G70A-ZOC16-4 (PNP)
Connector Terminal
Arrangement
(Top View)
G70A G70A
12
G70A-ZIM16-5 (NPN/PNP)
Connector Terminal
Arrangement
(Top View)
COM. 1A2 2A2 3A2 4A2 5A2 6A2 7A2 8A2 9A2 10A2 11A2 12A2 13A2 14A2 15A2 16A2
9A1 10A1 11A1 12A1 13A1 14A1 15A1 16A15A1 6A1 7A1 8A11A1 2A1 3A1 4A1
Note: 1. When G70A-ZIM16-5 is used with C200H-ID216 Input Module and a G79-IPPC cable, the G70A common terminal must be
connected to +24 VDC. The C200H-ID216 common pins (A9, B9, A18, B18) are connected to 0 V.
2. When G70A-ZIM16-5 is used with C200H-ID215 Input Module and a G79-CPcable, the G70A common terminal must be con-
nected to +24 VDC. The C200H-ID215 common pins (A9, B9, A18, B18) are connected to 0 V.
G70A G70A
Cat. No. GC RIO-1 04/00 Specifications subject to change without notice. Printed in U.S.A.
OMRON ELECTRONICS, INC.
OneEastCommerceDrive
Schaumburg, IL 60173
NOTE: DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters to inches divide by 25.4.
1-800-55-OMRON
OMRON CANADA, INC.
885 Milner Avenue
Scarborough, Ontario M1B 5V
8
416-286-6465
9
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Omron:
C200H-ID215 G79-150C G79-150C-125-100 G79-200C G79-200C-175-150 G79-300C G79-300C-275-250 G79-
A200C G79-A500C G79-I100C-75 G79-I150C-125 G79-I200C-175 G79-I300C-275 G79-I500C-475 G79-O100C-75
G79-O150C-125 G79-O200C-175 G79-O300C-275 G79-O500C-475 G79-Y300C